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\ ˌes-(ˌ)ō-ˈes 
\
\Definition of SOS
1 : an internationally recognized signal of distress in radio code ‧ ‧ ‧ - - - ‧ ‧ ‧ used especially by ships calling for help
2 : a call or request for help or rescue
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From the Editors at Merriam-Webster
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More Definitions for SOS
SOS
nounEnglish Language Learners Definition of SOS
: a signal used by ships and airplanes to call for help
See the full definition for SOS in the English Language Learners Dictionary
SOS
noun\ ˌes-ō-ˈes \
\Kids Definition of SOS
1 : an international radio code distress signal used especially by ships and airplanes calling for help
2 : a call for help
SOS
abbreviationMedical Definition of SOS
if occasion require; if necessary
—used in writing prescriptions
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Time Traveler for SOS
The first known use of SOS was in 1910
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